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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mengistie, Embialle Ambelu, Argaw Van Gerven, Tom Smets, Ilse |
| Copyright Year | 2016 |
| Abstract | The present study investigates the impact of tannery effluents on the self-purification capacity and the local macroinvertebrate community of one natural stream. As the concentration of chromium and sulfide increased from up- to downstream sites, the reduction of suspended solids, 5-days biological oxygen demand (BOD5), chemical oxygen demand and nitrification capacity decreased by 61 %, 21 %, 30 % and 74 %, respectively. Similarly, the share of Ephemeroptera, Plecoptera, and Trichoptera on the macroinvertebrate community decreased from 24 % to 0 %. Also the diversity (Simpson’s) index and the correlation between the physicochemical parameters, BOD5 reduction, the macroinvertebrate abundance and the chromium concentration underpin the importance of the contamination by tannery effluents for the degradation of the stream habitat quality. In conclusion, although the physicochemical parameters indicate that the self-purification of the river can be maintained for a certain stream section, the biodiversity of the river is severely compromised. |
| Starting Page | 369 |
| Ending Page | 375 |
| Page Count | 7 |
| File Format | |
| ISSN | 00074861 |
| Journal | Bulletin of Environmental Contamination and Toxicology |
| Volume Number | 96 |
| Issue Number | 3 |
| e-ISSN | 14320800 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-01-19 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Tannery effluent Chromium Sulfide Self-purification Macroinvertebrate Pollution Environmental Health Ecotoxicology Soil Science & Conservation Environmental Chemistry Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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